9978745

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 14985216

約数和(自身を除く): 5006471

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 541, 595, 1085, 2635, 2705, 3689, 3787, 9197, 16771, 18445, 18935, 45985, 64379, 83855, 117397, 285107, 321895, 586985, 1425535, 1995749, 9978745]

約数ペア:

[(1, 9978745), (5, 1995749), (7, 1425535), (17, 586985), (31, 321895), (35, 285107), (85, 117397), (119, 83855), (155, 64379), (217, 45985), (527, 18935), (541, 18445), (595, 16771), (1085, 9197), (2635, 3787), (2705, 3689)]